CN104635992A - Touch panel and display device - Google Patents
Touch panel and display device Download PDFInfo
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- CN104635992A CN104635992A CN201510106622.7A CN201510106622A CN104635992A CN 104635992 A CN104635992 A CN 104635992A CN 201510106622 A CN201510106622 A CN 201510106622A CN 104635992 A CN104635992 A CN 104635992A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Human Computer Interaction (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Geometry (AREA)
- Position Input By Displaying (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a touch panel and display device. The touch panel comprises a plurality of touch sensing electrodes and a plurality of touch driving electrodes, wherein the touch sensing electrodes and the touch driving electrodes are arranged in different planes along different directions, an insulating layer is arranged at the overlapped site of the two electrodes, a plurality of empty electrodes are further formed on the plane where the touch sensing electrodes and/or the touch driving electrodes are located, for uniformly distributing the electrodes on the same plane. The touch panel provided by the invention can be used for improving the uniformity of a display image so as to improve the quality of the display image of the display device.
Description
Technical field
The invention belongs to technical field of touch-control display, be specifically related to a kind of contact panel and display device.
Background technology
Along with the development of technology, touch-control display panel is applied on the electronic product such as touch-screen mobile phone or panel computer more and more.Touch-control display panel not only has Presentation Function, also there is touch controllable function, at present, the usual built-in touch-control display panel of touch-control display panel, so-called built-in touch-control display panel refers to touch control unit to be arranged in display panel and forms touch-control display panel, has the advantages such as low cost, display panel thickness are little.
Fig. 1 is the structural representation of existing touch-control display panel; Fig. 2 is the cut-open view of the touch-control display panel shown in Fig. 1.See also Fig. 1 and Fig. 2, this touch-control display panel comprises stacked color membrane substrates CF Glass (being hereinafter called for short CF) and array base palte TFTGlass (being hereinafter called for short TFT) from top to bottom, is filled with liquid crystal LC between color membrane substrates CF and array base palte TFT.Wherein, the lower surface of color membrane substrates CF is provided with black matrix and color film (R, G and B), below black matrix, be also provided with many be parallel to each other and the touch-control sensing electrode Rx arranged in the horizontal direction, many touch-control sensing electrodes are at vertical direction interval and uneven setting, as shown in Figure 1, this makes color membrane substrates CF exists the region at touch-control sensing electrode Rx place and there is not the region (NO Rx as shown in Figure 1) of touch-control sensing electrode Rx, and every bar touch-control sensing electrode Rx is drawn by periphery cabling.Array base palte TFT is provided with many to be parallel to each other and the touch-control drive electrode Tx vertically arranged.Because touch-control drive electrode Tx is mutually vertical with the setting direction of touch-control sensing electrode Rx, therefore, electric capacity is formed at the two overlapping place, as long as pass into drive singal to each touch-control drive electrode Tx in turn with the form of scanning, due to the electric capacity formed between touch-control drive electrode Tx and touch-control sensing electrode Rx, therefore, each touch-control sensing electrode Rx can produce corresponding induced signal, when touching display screen, the above-mentioned electric capacity at place, touch point can change, thus cause induced signal to change, the touch-control sensing electrode Rx that can change according to induced signal like this confirms the lateral coordinates of touch point, the longitudinal coordinate of touch point is confirmed again according to the touch-control drive electrode Tx of Current Scan, the last position that can obtain touch point according to lateral coordinates and longitudinal coordinate exactly, realize touch-control.
But adopt above-mentioned touch display screen inevitably to find in actual applications: Rx is visible for touch-control sensing electrode, the display frame caused is uneven.
Summary of the invention
The present invention is intended at least to solve one of technical matters existed in prior art, proposes a kind of contact panel and display device, can improve the homogeneity of display frame, thus can improve display frame quality.
For one of solving the problem, the invention provides a kind of contact panel, comprise many touch-control sensing electrodes and many touch-control drive electrodes, described touch-control sensing electrode and described touch-control drive electrode are arranged along different directions in Different Plane, and the two overlapping place is provided with insulation course, at described touch-control sensing electrode and/or described touch-control many vacant electrodes that drive electrode is also formed with in the plane, be tending towards even to make the distribution of same plane top electrode.
Alternatively, vacant electrode described in every bar is a continuous print electrode.
Alternatively, vacant electrode ground connection described in every bar.
Alternatively, vacant electrode described in every bar is provided with one or more via hole, be formed with the high resistant rete of ground connection in the outside of described vacant electrode place plane, vacant electrode described in every bar is electrically connected with described high resistant rete via described via hole.
Alternatively, multiple described via hole along described vacant electrode length direction interval and evenly arrange.
Alternatively, vacant electrode described in every bar comprises the vacant electrode of multiple spaced sons.
Alternatively, vacant electrode described in every bar comprises multiple interval and the vacant electrode of son evenly arranged.
Alternatively, the vacant electrode of an each described son only overlapping described touch-control drive electrode.
Alternatively, the vacant electrode pair of each described son should be arranged on the region between adjacent two described touch-control drive electrodes.
Alternatively, thin wire is adopted to be electrically connected and ground connection between all vacant electrodes of described son.
Alternatively, the two ends of the vacant electrode of each described son of vacant electrode described in every bar are formed with tip, and adjacent two tips contact.
Alternatively, many described touch-control drive electrodes or described touch-control sensing electrode runs parallel are arranged;
Alternatively, vacant electrode described in every bar relative to its described touch-control sensing electrode in the plane or described touch-control drive electrode be arranged in parallel.
Alternatively, described contact panel comprises the color membrane substrates and array base palte that mutually laminate, described touch-control sensing electrode is arranged on described color membrane substrates, and described touch-control drive electrode is arranged on described array base palte, and described vacant electrode is arranged on described touch-control sensing electrode institute in the plane.
Alternatively, be also formed with black matrix in the inner side of described color membrane substrates, described touch-control sensing electrode and described vacant electrode are formed in the inner side of described black matrix.
The present invention also provides a kind of display device, comprises above-mentioned contact panel.
The present invention has following beneficial effect:
Contact panel provided by the invention, it is at touch-control sensing electrode and/or touch-control many vacant electrodes that drive electrode is also formed in the plane, be tending towards even to make the distribution of electrodes on same plane, can realize light signal uniform diffuse reflection at grade by being tending towards equally distributed electrode, thus the display frame caused can eliminating optical considerations is uneven.
Display device provided by the invention, because it adopts contact panel provided by the invention, thus can improve the homogeneity of display frame, thus can improve display frame quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing touch-control display panel;
Fig. 2 is the cut-open view of the touch-control display panel shown in Fig. 1;
The structural representation of the contact panel that Fig. 3 provides for first embodiment of the invention;
The structural representation of the contact panel that Fig. 4 provides for second embodiment of the invention;
Fig. 5 is the partial sectional view along the vacant electrode length direction on the contact panel shown in Fig. 4;
The first structural representation of the contact panel that Fig. 6 provides for third embodiment of the invention;
The second structural representation of the contact panel that Fig. 7 provides for third embodiment of the invention;
The structural representation of the contact panel that Fig. 8 provides for fourth embodiment of the invention; And
The structural representation of the contact panel that Fig. 9 provides for fifth embodiment of the invention.
Wherein, Reference numeral is respectively: Rx, touch-control sensing electrode; Tx, touch-control drive electrode; CF, color membrane substrates; BM, black matrix; TFT, array base palte; LC, liquid crystal; , there is not the region of touch-control sensing electrode in NO Rx; DRx, vacant electrode; VH, via hole; 10, high resistant rete; R, G and B, color film.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing, contact panel provided by the invention and display device are described in detail.The example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar assembly or has assembly that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
The structural representation of the contact panel that Fig. 3 provides for first embodiment of the invention.Refer to Fig. 3, the contact panel that first embodiment of the invention provides comprises many touch-control sensing electrode Rx, many touch-control drive electrode Tx, color membrane substrates CF and array base palte TFT.Wherein, touch-control sensing electrode Rx and touch-control drive electrode Tx respectively correspondence is formed on color membrane substrates CF and array base palte TFT, and many touch-control sensing electrode Rx are arranged in parallel and in the uneven setting in vertical direction interval; Many touch-control drive electrode Tx are parallel to each other and interval is evenly arranged in the horizontal direction, every bar touch-control sensing electrode Rx and touch-control drive electrode Tx is arranged along level and vertical direction respectively, the two setting direction is mutually vertical, that is, in the present embodiment, touch-control sensing electrode Rx and touch-control drive electrode Tx is arranged along different directions in Different Plane, in addition, be formed with insulation course at the two overlapping place, its touch-control principle and prior art similar, be not described in detail in this.
Many vacant electrode Dummy Rx (hereinafter referred to as DRx) are also formed in the plane at touch-control sensing electrode Rx, with make touch-control sensing electrode Rx distribution of electrodes be in the plane tending towards even, so-called vacant electrode DRx refers to and does not input any signal and the electrode be not connected with other electrodes.
By furtheing investigate rear discovery to there is the visible problem of touch-control sensing electrode Rx in prior art: because touch-control sensing electrode Rx is at its institute's skewness in the plane, thus the diffuse reflection that light signal can not occur on this plane is equably caused, that is, there is optical considerations causes Rx visible.For this reason, adopt the contact panel that first embodiment of the invention provides, can realize light signal diffuse reflection equably at grade by being tending towards equally distributed electrode, thus the display frame caused can eliminating optical considerations is uneven, improves homogeneity and the quality of display frame.
Particularly, as shown in Figure 3, the vacant electrode DRx of every bar is a continuous print electrode, and touch-control sensing electrode Rx be arranged in parallel relatively, that is, vacant electrode DRx is arranged according to the set-up mode of touch-control sensing electrode Rx, and this can improve the homogeneity of touch-control sensing electrode Rx place plane top electrode.
And, multiple vacant electrode DRx in the vertical direction interval is arranged, to make touch-control sensing electrode Rx and vacant electrode DRx in the vertical direction interval and to arrange uniformly, this can improve the homogeneity of distribution of electrodes further, thus display frame can be avoided further uneven.
In addition, black matrix is formed in the inner side of color membrane substrates CF, touch-control sensing electrode Rx and vacant electrode DRx is formed in the inner side of black matrix, so-called inner side refers to the side shown dorsad, this can realize blocking touch-control sensing electrode Rx and vacant electrode DRx by black matrix, thus the two can be avoided further visible, and wherein, touch-control sensing electrode Rx and/or vacant electrode DRx can make or tin indium oxide (being called for short ITO) formation by metal material.
Touch-control drive electrode Tx is the electrode multiplexing with the public electrode for showing, it adopts ITO to be formed, that is, when showing, this electrode is as public electrode, when touch-control, this electrode is as touch-control drive electrode Tx, this can simplify structure and the preparation technology of display panel, thus can reduce costs and increase economic efficiency.
It should be noted that, although the touch-control sensing electrode Rx in the present embodiment and vacant electrode DRx is all arranged on the inner side of black matrix; But the present invention is not limited thereto, in actual applications, touch-control sensing electrode Rx and vacant electrode DRx can not also corresponding black arranged in matrix, and in this case, for avoiding impact display, the two adopts transparent ITO to be formed.
It should be noted that further, in actual applications, touch-control sensing electrode Rx and touch-control drive electrode Tx can also be arranged on the same substrate, such as, the two all arranges on array base palte TFT or color membrane substrates CF, in this case, set-up mode and the above-mentioned set-up mode of vacant electrode DRx are similar, are not described in detail in this.
It also should be noted that, because in the present embodiment, touch-control drive electrode Tx is the electrode multiplexing with public electrode, and public electrode is plane electrode, therefore, does not need to arrange vacant electrode again in touch-control drive electrode Tx place plane.But, in actual applications, according to actual conditions, vacant electrode can be set in the plane at touch-control drive electrode Tx and/or touch-control sensing electrode Rx, such as, if touch-control drive electrode Tx is not multiplexing with public electrode, and its skewness in the plane, vacant electrode can be set equally, now, this vacant electrode can be referred to as Dummy Tx, be called for short DTx; Further, the set-up mode of vacant electrode DRx or DTx do not limit to above-mentioned along its touch-control sensing electrode Rx in the plane or touch-control drive electrode Tx parallel arrangement, as long as can realize making distribution of electrodes be tending towards even.
The structural representation of the contact panel that Fig. 4 provides for second embodiment of the invention; Fig. 5 is the partial sectional view along the vacant electrode length direction on the contact panel shown in Fig. 4.See also Fig. 4 and Fig. 5, the contact panel that the present embodiment provides and the contact panel that above-mentioned first embodiment provides similar, comprise touch-control drive electrode Tx, vacant electrode DRx, touch-control sensing electrode Rx, color membrane substrates CF and array base palte TFT equally.Because touch-control drive electrode Tx, vacant electrode DRx, touch-control sensing electrode Rx, position relationship between color membrane substrates CF and array base palte TFT and function are described in detail in the above-described first embodiment, do not repeat them here.
Only the difference of the present embodiment and above-mentioned first embodiment is described in detail below.Particularly, because the vacant electrode DRx of the contact panel shown in Fig. 3 exists with between touch-control drive electrode Tx coupling, can cause on vacant electrode DRx and there is electric charge, this just causes the liquid crystal deflection that the liquid crystal deflection of the vacant electrode DRx corresponding position when showing is corresponding with other regions inconsistent, thus vacant electrode DRx can be caused visible, cause display frame uneven.For this reason, in the present embodiment, every bar vacant electrode DRx ground connection.
Particularly, every bar vacant electrode DRx is provided with one or more via hole Via Hole (hereinafter referred VH), the high resistant rete 10 of ground connection is formed in the outside of vacant electrode DRx place plane, the vacant electrode DRx of every bar is electrically connected with high resistant rete 10 via via hole VH, the outside of so-called vacant electrode DRx place plane refers to towards the side of display, by vacant electrode DRx via high resistant rete 10 ground connection, the electric charge that coupling on vacant electrode DRx can be produced is eliminated, and thus can solve the visible problem of above-mentioned vacant electrode DRx.
As shown in Figure 5, high resistant rete 10 is formed between black matrix B M and color film (R, G and B), and via hole VH runs through color film and connects with high resistant rete 10.In actual applications, high resistant rete 10 can also be arranged between color membrane substrates CF and black matrix B M, and via hole VH runs through black matrix and connects with high resistant rete 10.
Preferably, multiple via hole VH along vacant electrode DRx length direction interval and evenly arrange, this can realize the electric charge discharged fast on vacant electrode DRx, thus can improve the quality of contact panel display frame.In the present embodiment, as shown in Figure 4, the quantity of via hole VH is 3, is separately positioned on two ends and the point midway of the vacant electrode DRx of every bar.
It should be noted that, in actual applications, for above-mentioned vacant electrode DRx, other modes also can be adopted to eliminate electric charge on it, such as, be electrically connected with vacant electrode DRx by lead-in wire, and will go between be electrically connected.
The first structural representation of the contact panel that Fig. 6 provides for third embodiment of the invention.Refer to Fig. 6, the contact panel that the present embodiment provides and the contact panel that above-mentioned first embodiment provides similar, comprise touch-control drive electrode Tx, vacant electrode DRx, touch-control sensing electrode Rx, color membrane substrates CF and array base palte TFT equally.Because touch-control drive electrode Tx, vacant electrode DRx, touch-control sensing electrode Rx, position relationship between color membrane substrates CF and array base palte TFT and function are described in detail in the above-described first embodiment, do not repeat them here.
Only the difference of the present embodiment and above-mentioned first embodiment is described in detail below.Particularly, in the present embodiment, every bar vacant electrode DRx can also comprise the vacant electrode DRx ' of multiple son spaced apart, compared with the vacant electrode DRx of the continuous print of shown in this with Fig. 3, electrode not only can be made to a certain extent to be evenly distributed in the plane at touch-control sensing electrode Rx; And many touch-control drive electrode Tx can be reduced via the cross talk effects occurred with the continuous vacant electrode DRx of its all overlapping, thus can reduce white noise, thus impact display can be avoided.
Preferably, every bar vacant electrode DRx comprises multiple interval and the vacant electrode DRx ' of equally distributed son, alternatively, multiple son vacant electrode DRx ' along vacant electrode DRx length direction interval and evenly arrange, this can improve further electrode touch-control sensing electrode Rx distributing homogeneity in the plane.
Further preferably, every height vacant electrode DRx ' is an overlapping touch-control drive electrode Tx only, and this can be avoided many touch-control drive electrode Tx that crosstalk occurs up hill and dale.
In addition preferably, as shown in Figure 7, every height vacant electrode DRx ' correspondence is arranged on the region between adjacent two touch-control drive electrode Tx, in this case, every height vacant electrode DRx ' and touch-control drive electrode Tx are not overlapping, thus not only can avoid crosstalk occurs, but also can reduce even to eliminate the vacant electrode DRx of every bar and being coupled between touch-control drive electrode Tx.
The structural representation of the contact panel that Fig. 8 provides for fourth embodiment of the invention.Refer to Fig. 8, the contact panel that the present embodiment provides and the contact panel that the 3rd embodiment provides similar, comprise touch-control drive electrode Tx, vacant electrode DRx, touch-control sensing electrode Rx, color membrane substrates CF and array base palte TFT equally.Because touch-control drive electrode Tx, vacant electrode DRx, touch-control sensing electrode Rx, position relationship between color membrane substrates CF and array base palte TFT and function are described in detail in above-mentioned 3rd embodiment, do not repeat them here.
Only the difference of the present embodiment and above-mentioned 3rd embodiment is described in detail below.Particularly, because the vacant electrode DRx ' of son of the contact panel shown in Fig. 6 exists with between touch-control drive electrode Tx coupling, can cause on sub vacant electrode DRx ' and there is electric charge, this just causes the liquid crystal LC deflection liquid crystal LC corresponding with other regions of the vacant electrode DRx ' corresponding position of son when showing to deflect inconsistent, thus sub vacant electrode DRx ' can be caused visible, cause display frame uneven.For this reason, in the present embodiment, the vacant electrode DRx ' of all sons adopts thin wire to be electrically connected and ground connection, and the electric charge that upper for vacant for son electrode DRx ' coupling produces not only can be eliminated by this, thus can solve the visible problem of above-mentioned son vacant electrode DRx '; And due to the thinner impedance of wire larger, make discharge loop be high-impedance state, thus can also reduce the crosstalk between many touch-control drive electrode Tx to a great extent.
In the present embodiment, as shown in Figure 8, the vacant electrode DRx ' of multiple sons of same vacant electrode DRx connects successively, then by perimeter leads external ground.But the present invention is not limited thereto, in actual applications, do not limit to the connected mode of the vacant electrode DRx ' of all sons, as long as all sons vacant electrode DRx ' ground connection can be realized.
It should be noted that, in actual applications, if the vacant electrode DRx ' of the son in Fig. 7 exists to be coupled with touch-control drive electrode Tx produce electric charge, identical improvement can be carried out equally to the contact panel shown in Fig. 5, that is, vacant for all sons shown in Fig. 5 electrode DRx ' is electrically connected and ground connection by thin wire.
The structural representation of the contact panel that Fig. 9 provides for fifth embodiment of the invention.Refer to Fig. 9, the contact panel that the present embodiment provides and the contact panel that above-mentioned 4th embodiment provides similar, comprise touch-control drive electrode Tx, vacant electrode DRx, touch-control sensing electrode Rx, color membrane substrates CF and array base palte TFT equally.Because touch-control drive electrode Tx, vacant electrode DRx, touch-control sensing electrode Rx, position relationship between color membrane substrates CF and array base palte TFT and function are described in detail in above-mentioned 4th embodiment, do not repeat them here.
Only the difference of the present embodiment and above-mentioned 4th embodiment is described in detail below.Particularly, in the present embodiment, the two ends of the vacant electrode DRx ' of every height of every bar vacant electrode DRx are formed with tip, and adjacent two tips contact, in this situation, sub vacant electrode DRx ' can be realized by point discharge and discharge electric charge, and because the vacant electrode DRx of son is by most advanced and sophisticated connected, make impedance therebetween be high-impedance state, thus the crosstalk between many touch-control drive electrode Tx can be reduced to a great extent.In addition, compared with the contact panel that the present embodiment and the 4th embodiment provide, do not need the external ground connection of peripheral leads, thus process structure and simplification of flowsheet can be reduced.
As another one technical scheme, the embodiment of the present invention also provides a kind of display device, comprises contact panel, any one contact panel that this contact panel the present invention above-mentioned first provides to the 5th embodiment.
The display device that the embodiment of the present invention provides, due to the contact panel that it adopts the embodiment of the present invention to provide, thus can improve the homogeneity of display frame, thus can improve display frame quality.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (15)
1. a contact panel, comprise many touch-control sensing electrodes and many touch-control drive electrodes, described touch-control sensing electrode and described touch-control drive electrode are arranged along different directions in Different Plane, and the two overlapping place is provided with insulation course, it is characterized in that, at described touch-control sensing electrode and/or described touch-control many vacant electrodes that drive electrode is also formed with in the plane, be tending towards even to make the distribution of same plane top electrode.
2. contact panel according to claim 1, is characterized in that, vacant electrode described in every bar is a continuous print electrode.
3. contact panel according to claim 2, is characterized in that, vacant electrode ground connection described in every bar.
4. contact panel according to claim 3, it is characterized in that, vacant electrode described in every bar is provided with one or more via hole, and be formed with the high resistant rete of ground connection in the outside of described vacant electrode place plane, vacant electrode described in every bar is electrically connected with described high resistant rete via described via hole.
5. contact panel according to claim 4, is characterized in that, multiple described via hole along described vacant electrode length direction interval and evenly arrange.
6. contact panel according to claim 1, is characterized in that, vacant electrode described in every bar comprises the vacant electrode of multiple spaced sons.
7. contact panel according to claim 6, is characterized in that, vacant electrode described in every bar comprises multiple interval and the vacant electrode of son evenly arranged.
8. contact panel according to claim 6, is characterized in that, the vacant electrode of each described son is an overlapping described touch-control drive electrode only.
9. contact panel according to claim 6, is characterized in that, the vacant electrode pair of each described son should be arranged on the region between adjacent two described touch-control drive electrodes.
10. contact panel according to claim 6, is characterized in that, adopts thin wire to be electrically connected and ground connection between all vacant electrodes of described son.
11. contact panels according to claim 6, is characterized in that, the two ends of the vacant electrode of each described son of vacant electrode described in every bar are formed with tip, and adjacent two tips contact.
12. contact panels according to claim 1, is characterized in that, many described touch-control drive electrodes or described touch-control sensing electrode runs parallel are arranged;
Vacant electrode described in every bar relative to its described touch-control sensing electrode in the plane or described touch-control drive electrode be arranged in parallel.
13. contact panels according to claim 1-12 any one, it is characterized in that, described contact panel comprises the color membrane substrates and array base palte that mutually laminate, described touch-control sensing electrode is arranged on described color membrane substrates, described touch-control drive electrode is arranged on described array base palte, and described vacant electrode is arranged on described touch-control sensing electrode institute in the plane.
14. contact panels according to claim 13, is characterized in that, are also formed with black matrix in the inner side of described color membrane substrates, and described touch-control sensing electrode and described vacant electrode are formed in the inner side of described black matrix.
15. 1 kinds of display device, comprise contact panel, it is characterized in that, this contact panel adopts the contact panel described in claim 1-14 any one.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510106622.7A CN104635992B (en) | 2015-03-11 | 2015-03-11 | Contact panel and display device |
| PCT/CN2016/074411 WO2016141806A1 (en) | 2015-03-11 | 2016-02-24 | Touch panel and display device |
| US15/325,181 US9886114B2 (en) | 2015-03-11 | 2016-02-24 | Touch panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510106622.7A CN104635992B (en) | 2015-03-11 | 2015-03-11 | Contact panel and display device |
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| Publication Number | Publication Date |
|---|---|
| CN104635992A true CN104635992A (en) | 2015-05-20 |
| CN104635992B CN104635992B (en) | 2017-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510106622.7A Active CN104635992B (en) | 2015-03-11 | 2015-03-11 | Contact panel and display device |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9886114B2 (en) |
| CN (1) | CN104635992B (en) |
| WO (1) | WO2016141806A1 (en) |
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| WO2016141806A1 (en) * | 2015-03-11 | 2016-09-15 | 京东方科技集团股份有限公司 | Touch panel and display device |
| WO2016165550A1 (en) * | 2015-04-16 | 2016-10-20 | 京东方科技集团股份有限公司 | Touch driver unit and circuit, display panel, and display device |
| CN106055147A (en) * | 2016-05-25 | 2016-10-26 | 京东方科技集团股份有限公司 | Touch control panel and manufacturing method thereof, and touch control apparatus |
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| US10108285B1 (en) * | 2017-04-19 | 2018-10-23 | Superc-Touch Corporation | In-cell OLED touch display panel structure with high touch detection sensitivity and narrow border |
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| CN110010668B (en) * | 2019-04-09 | 2021-07-27 | 武汉天马微电子有限公司 | Organic light emitting display panel and display device |
| CN110501897B (en) * | 2019-08-30 | 2021-08-17 | 安徽华米信息科技有限公司 | Intelligent watch and touch control method thereof |
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Also Published As
| Publication number | Publication date |
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| US20170185202A1 (en) | 2017-06-29 |
| WO2016141806A1 (en) | 2016-09-15 |
| US9886114B2 (en) | 2018-02-06 |
| CN104635992B (en) | 2017-07-04 |
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